Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 4 2 1 0.5 4 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. All of these reduces sensitivity to parameter variation. improves disturbance rejection. reduces gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the type of closed loop system for the plant transfer function G(s) = k/s²(1+Ts) and with unity feedback? 3 1 2 0 3 1 2 0 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.3 to 0.7 0.3 to 5 0 to 2 0.9 to 1.1 0.3 to 0.7 0.3 to 5 0 to 2 0.9 to 1.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of the control system depends on nature of the input. nature of the output. initial conditions of input and output. the system parameters alone. nature of the input. nature of the output. initial conditions of input and output. the system parameters alone. ANSWER DOWNLOAD EXAMIANS APP
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